<?php

/**
 * This is the model class for table "{{issue}}".
 *
 * The followings are the available columns in table '{{issue}}':
 * @property string $issue_id
 * @property string $title
 * @property string $content
 * @property integer $created_at
 * @property integer $state
 * @property string $user_id
 * @property string $solve_at
 * @property string $reply_id
 *
 * The followings are the available model relations:
 * @property User $user
 * @property IssueReply[] $issueReplies
 */
class Issue extends CActiveRecord
{
	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return '{{issue}}';
	}

  public function defaultScope()
  {
    return array(
      'alias'=>'issue'
    );
  }
	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('title, content, created_at, user_id', 'required'),
			array('created_at, state', 'numerical', 'integerOnly'=>true),
			array('title', 'length', 'max'=>40),
			array('user_id, solve_at, reply_id', 'length', 'max'=>10),
			// The following rule is used by search().
			// @todo Please remove those attributes that should not be searched.
			array('issue_id, title, content, created_at, state, user_id, solve_at, reply_id', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'user' => array(self::BELONGS_TO, 'User', 'user_id'),
			'issueReplies' => array(self::HAS_MANY, 'IssueReply', 'issue_id'),
      'reply'=>array(self::HAS_ONE,'IssueReply','','on'=>'issue.reply_id=issue_reply.reply_id')
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'issue_id' => 'Issue',
			'title' => '问题标题',
			'content' => '问题内容',
			'created_at' => '发问世间',
			'state' => 'State',
			'user_id' => '发问用户',
			'solve_at' => 'Solve At',
			'reply_id' => 'Reply',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * Typical usecase:
	 * - Initialize the model fields with values from filter form.
	 * - Execute this method to get CActiveDataProvider instance which will filter
	 * models according to data in model fields.
	 * - Pass data provider to CGridView, CListView or any similar widget.
	 *
	 * @return CActiveDataProvider the data provider that can return the models
	 * based on the search/filter conditions.
	 */
	public function search()
	{
		// @todo Please modify the following code to remove attributes that should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('issue_id',$this->issue_id,true);
		$criteria->compare('title',$this->title,true);
		$criteria->compare('content',$this->content,true);
		$criteria->compare('created_at',$this->created_at);
		$criteria->compare('state',$this->state);
		$criteria->compare('user_id',$this->user_id,true);
		$criteria->compare('solve_at',$this->solve_at,true);
		$criteria->compare('reply_id',$this->reply_id,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}

	/**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return Issue the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

  public function onBeforeValidate($event)
  {
    if($this->isNewRecord){
      $this->state = 0;
      $this->created_at = time();
      $this->user_id = Yii::app()->user->id;
    }
    parent::onBeforeValidate($event); // TODO: Change the autogenerated stub
  }


}
